Finding the Fourth Proportional to 1,527,832.76, 2,289,505.98 and 768,630.68
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Solution
The fourth proportional to 1,527,832.76, 2,289,505.98 and 768,630.68 is: 1,151,817.52
Step by Step Solution
- Step 1: Write the proportion equation
1,527,832.76 : 2,289,505.98 = 768,630.68 : x - Step 2: Convert to fraction form
1,527,832.76/2,289,505.98 = 768,630.68/x - Step 3: Cross multiply
1,527,832.76x = 2,289,505.98 × 768,630.68 - Step 4: Simplify right side
1,527,832.76x = 1,759,784,538,271.47 - Step 5: Solve for x
x = 1,759,784,538,271.47/1,527,832.76 - Step 6: Final answer
x = 1,151,817.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.